英语词汇alertness怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	alertness
释义	alertness /əˈlɜːtnɪs/ n. (liveliness of mind)警觉；警惕；留神；注意 The drug improved mental alertness.这种药可以提高大脑的注意力。
随便看	liquid air liquidambar liquidambars liquid assets liquid assets ratio liquidate liquidated liquidates liquidating liquidation liquidations liquidator liquidators liquid crystal liquid-crystal display liquid crystal display liquid crystal on silicon liquid detergent liquid ecstasy liquid feed liquid fire liquid glass liquidise liquidiser liquidities

英汉双解词典包含368430条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。